Abstract

An efficient and compact diode-pumped continuous-wave Yb:GdVO4 laser is demonstrated, generating an output power of 4.0W with an optical conversion efficiency of 61% and a slope efficiency as high as 78%. With increasing pump power the polarization of the laser output changes from σ to π, while in a certain intermediate power range the two polarization states coexist with different emission wavelengths.

© 2006 Optical Society of America

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